When Miguel Cotto was 11 years old and 156 pounds he figured the best way to lose weight was to take up boxing.

International Boxing Federation heavyweight champion Wladimir Klitschko seized the World Boxing Organisation belt on Saturday with a unanimous decision over previously unbeaten Sultan Ibragimov. Ukraine's Klitschko (31) improved to 50-3-3 with 44 knockouts as he jabbed his way to a clear, if unspectacular, victory.

Wladimir Klitschko and Sultan Ibragimov bid to bring some clarity to the muddled heavyweight division on Saturday when they put their world titles on the line at Madison Square Garden. Trainer Emanuel Steward believes the fight could be Ukrainian Klitschko's first step toward dominating the division.